Limsamphan, P. (1984). The letters used in Buddha's teaching in the Northeastern part of Thailand. Sillapakorn University.
Chicago Style aipamenaLimsamphan, Peupak. The Letters Used in Buddha's Teaching in the Northeastern Part of Thailand. Nakhorn-pathom: Sillapakorn University, 1984.
MLA aipamenaLimsamphan, Peupak. The Letters Used in Buddha's Teaching in the Northeastern Part of Thailand. Sillapakorn University, 1984.
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